479 patents
Page 9 of 24
Utility
Composition capable of reducing CO and NOx emissions, preparation method therefor and use thereof, and fluid catalytic cracking method
20 Dec 22
The present invention relates to the field of catalytic cracking, and discloses a composition capable of reducing CO and NOx emissions, the preparation method and use thereof, and a fluidized catalytic cracking method.
Haitao Song, Qiuqiao Jiang, Huiping Tian, Wei Lin, Peng Wang, Yan Sun, Xue Yang, Jiushun Zhang, Zhijian Da
Filed: 5 Jul 18
Utility
Method for Preparing Olefin-polar Monomer Copolymer
15 Dec 22
Rong GAO, Jingjing LAI, Zifang GUO, Qingqiang GOU, Junling ZHOU, Wenbo SONG, Xinyang LI, Xiaofan ZHANG, Jie LIN, Dongbing LIU, Junhui ZHANG, Hongtao WANG, Shijun ZHANG, Yuanning GU, Jingyan AN, Hui ZHAO, Tingjie HUANG, Dong MA, Ruen WANG, Shiyuan XU, Jie FU
Filed: 30 Oct 20
Utility
Method and System for Treating Catalytic Cracking Reaction Product and Use Thereof
15 Dec 22
In a method and system for treating a catalytic cracking gasoline, a catalytic cracking process, or a plant employs a fluidized reactor to carry out hydrodealkylation treatment on a catalytic cracking oil gas or catalytic cracking gasoline, so that heavy aromatics present therein can be efficiently converted into light olefins and light aromatics.
Di WANG, Xiaoli WEI, Jianhong GONG, Jingchuan YU, Jiushun ZHANG
Filed: 4 Aug 20
Utility
Phosphorus-containing molecular sieve, its preparation and application thereof
13 Dec 22
A phosphorus-containing molecular sieve has a phosphorus content of about 0.3-5 wt %, a pore volume of about 0.2-0.95 ml/g, and a ratio of B acid content to L acid content of about 2-10.
Yichao Mao, Mingfeng Li, Xiangyun Long, Runqiang Zhang, Yang Zhao
Filed: 22 Oct 18
Utility
Support and FT Synthesis Catalyst, and Preparation Methods Therefor and Applications Thereof
8 Dec 22
A microsphere of oxide has an opening on its surface connected to a hollow core inside, forming a cavity.
Zhaopeng HOU, Xuefeng LI, Run XU, Guofu XIA
Filed: 29 Oct 20
Utility
Lithium Battery Positive Electrode Material Precursor, Preparation Method Therefor and Application Thereof
8 Dec 22
A lithium battery positive active material precursor, a preparation method therefor and the use thereof are provided.
Tongbao ZHANG, Biwei WANG, Ye ZHU, Huanxin GAO
Filed: 16 Oct 20
Utility
Metallocene Compound, and Preparation Method Therefor and Application Thereof
8 Dec 22
Zhaolin YIN, Yuanhong MAO, Yucai CAO, Shengbiao LIANG, Hongping ZHU, Xiaofeng YE, Chen NI, Zhikang CHEN, Dongwen ZHONG, Sha SONG, Wenjun JIANG, Zhenyu LIU
Filed: 30 Oct 20
Utility
Method for Producing Light Aromatic
8 Dec 22
A method for producing light aromatics, includes the steps of: i) contacting a feedstock comprising heavy aromatic(s) with a catalyst in a fluidized reactor for aromatics lightening reaction in the presence of hydrogen to obtain a product rich in C6-C8 light aromatic(s) and a spent catalyst, wherein the heavy aromatic is one or more selected from C9+ aromatics; ii) separating the resulted product rich in C6-C8 light aromatic(s) to obtain hydrogen, a non-aromatic component, C6-C8 light aromatic(s) and a C9+ aromatic component; and iii) recycling at least a part of the C9+ aromatic component to the fluidized reactor.
Di WANG, Xiaoli WEI, Jianhong GONG, Jingchuan YU, Jiushun ZHANG
Filed: 4 Aug 20
Utility
Method and Apparatus for Recovering C2-C4 Components in Methane-Containing Industrial Gas
8 Dec 22
A method for recovering C2 components in a methane-containing industrial gas includes the steps of (1) cooling a compressed methane-containing industrial gas and performing gas-liquid separation; (2) absorbing C2 components in the gas phase by using an absorbent to obtain an absorption rich liquid; (3) returning the absorption rich liquid to the compression in step (1) or mixing the absorption rich liquid with the liquid phase obtained in step (1) to obtain a mixed liquid, and depressurizing the mixed liquid or the absorption rich liquid; (4) performing methane desorption on the depressurized stream to obtain a rich absorbent, or performing second gas-liquid separation on the depressurized stream, followed by methane desorption on the second liquid phase to obtain a rich absorbent; and (5) desorbing and separating the rich absorbent to obtain a lean absorbent and an enriched gas, and recycling and reusing the lean absorbent.
Huawei SHAO, Dongfeng LI, Yi ZOU, Zhixin LIU, Chunfang LI, Liang GUO, Jingsheng ZHANG, Zhiyan HU
Filed: 24 Sep 20
Utility
Negative Electrode Material, Preparation Method Therefor, and Application Thereof, and Lithium Ion Battery Comprising Same
8 Dec 22
A silicon-based negative electrode material, a preparation method therefor, and an application thereof in a lithium ion battery are provided.
Sai SUN, Siyu ZHANG, Huanxin GAO
Filed: 29 Sep 20
Utility
Modified Y-type molecular sieve, catalytic cracking catalyst comprising the same, its preparation and application thereof
6 Dec 22
A modified Y-type molecular sieve has a modifying metal content of about 0.5-6.3 wt % calculated on the basis of an oxide of the modifying metal and a sodium content of no more than about 0.5 wt % calculated on the basis of sodium oxide.
Shuai Yuan, Lingping Zhou, Huiping Tian, Zhenyu Chen, Weilin Zhang, Hao Sha
Filed: 27 Jun 19
Utility
Modified Y-type molecular sieve, catalytic cracking catalyst comprising the same, their preparation and application thereof
6 Dec 22
A modified Y-type molecular sieve has a rare earth content of about 4% to about 11% by weight on the basis of the oxide, a phosphorus content of about 0.05% to about 10% by weight on the basis of P2O5, a sodium content of no more than about 0.5% by weight on the basis of sodium oxide, and an active element content of about 0.1% to about 5% by weight on the basis of the oxide, with the active element being gallium and/or boron.
Lingping Zhou, Hao Sha, Mingde Xu, Weilin Zhang, Shuai Yuan, Zhenyu Chen, Qiuqiao Jiang, Huiping Tian
Filed: 15 Aug 19
Utility
NaY molecular sieve with an aluminum-rich surface and a process of preparing same
6 Dec 22
A NaY molecular sieve with an aluminum-rich surface is prepared using a process that includes the steps of: a. mixing a directing agent and a first silicon source to obtain a first mixture, wherein the directing agent has a molar composition of Na2O:Al2O3:SiO2:H2O=(6-25):1:(6-25):(200-400); b. mixing the first mixture obtained in the step a with a second silicon source, an aluminum source and water to obtain a second mixture; c. carrying out hydrothermal crystallization on the second mixture obtained in the step b, and collecting a solid product.
Qiang Fu, Yongxiang Li, Chengxi Zhang, Hexin Hu, Xuhong Mu, Xingtian Shu
Filed: 27 May 19
Utility
Process for producing propylene and a low-sulfur fuel oil component
6 Dec 22
A process for producing propylene and a low-sulfur fuel oil component, comprising the steps of contacting a heavy feedstock oil with a solvent for extraction separation to obtain a deasphalted oil and a deoiled asphalt; contacting the deasphalted oil and optionally a light feedstock oil with a catalytic conversion catalyst for reaction to obtain a reaction product comprising propylene; separating the reaction product to obtain a catalytic cracking distillate oil, and subjecting the catalytic cracking distillate oil to hydrodesulfurization to obtain a low-sulfur hydrogenated distillate oil, wherein the low-sulfur hydrogenated distillate oil and/or the deoiled asphalt is suitable for use as a fuel oil component.
Youhao Xu, Xuhui Bai, Xinyu Xie, Shouye Cui, Xin Wang, Yanfen Zuo
Filed: 26 Oct 20
Utility
Method for obtaining gravity coefficients for orthogonally oriented accelerometer devices during measurement-while-drilling operations
6 Dec 22
A method for obtaining accuracy gravity coefficients out of three orthogonally oriented accelerometer devices and a thermometer by computing, using a pre-programmed micro-control unit processor, temperature errors, bias error coefficients, sensitivity error coefficients, and orthogonality error coefficients during measurement while drilling operations.
Jun Han, Sheng Zhan
Filed: 12 Nov 21
Utility
SO2 Adsorption Material, Preparation Method Therefor and Application Thereof, and Method for Removing SO2 from Flue Gas Containing SO2
1 Dec 22
A SO2 adsorption material, a preparation method therefor and an application thereof, and a method for removing SO2 from flue gas containing SO2 are provided.
Peng WANG, Lei ZHAO, Zhiyu LIU, Zhongsheng LIU, Xuehai WANG
Filed: 27 Oct 20
Utility
Polymer-based Film, Preparation Method Therefor, and Use Thereof
1 Dec 22
A polymer film has a loofah-like structure.
Yiqun LIU, Jing WANG, Guoyuan PAN, Yang ZHANG, Hao YU
Filed: 27 Oct 20
Utility
Biphenol Metal Complex, Preparation Method Therefor and Use Thereof
1 Dec 22
Shuliang HAN, Haokun LI, Wenbo SONG, Zhao JIN, Lusheng WANG, Yuanyuan FANG
Filed: 28 Oct 20
Utility
Flame-retardant Antimicrobial Agent, Preparation Method therefor and Use thereof, and Flame-retardant Antimicrobial Thermoplastic Resin Composition
1 Dec 22
A flame-retardant antimicrobial agent is a polymer microsphere with the surface grafted thereof with a guanidine salt.
Yutao WANG, Liqiu CHU, Jie LI, Shijun ZHANG, Dali GAO, Hua YIN, Peng GUO, Jingbo SHAO, Changjin LI, Chenxi HU, Yiqing BAI
Filed: 29 Oct 20
Utility
Method and Apparatus for Desulfurization and Separation of Catalytically Cracked Light Product
1 Dec 22
A method for the desulfurization and separation of a catalytic cracking light product includes the steps of: 1) contacting a catalytic cracking light product with a desulfurization adsorbent in an adsorption desulfurization reaction unit in the presence of hydrogen for desulfurization, and optionally, carrying out gas-liquid separation on the resulting desulfurization product, to obtain a desulfurized rich gas and a desulfurized crude gasoline, wherein the catalytic cracking light product is an overhead oil-gas fraction from a catalytic cracking fractionator, or a rich gas and a crude gasoline from a catalytic cracking fractionator; and 2) separately sending the desulfurized rich gas and the desulfurized crude gasoline obtained in the step 1) to a catalytic cracking absorption stabilization system for separation, to obtain a desulfurized dry gas, a desulfurized liquefied gas and a desulfurized stabilized gasoline.
Wenshou WANG, Anguo MAO, Zhigang ZHANG, Xianlong LIU, Li XU, Yuliang LIU
Filed: 30 Oct 20